After the Spanish soldiers defeated the Aztec empire, they were able to seize the supplies of cacao and send them home.

VOA: special.2010.02.17

And the Spanish, a much smaller group of people was able to overtake the Aztec civilization, very well established, because that group of people was devastated by the disease.

那些西班牙人,只是一支较小的队伍,他们之所以战胜高度发达的阿兹特克文明,是因为阿兹特克人被这种疾病摧残了

耶鲁公开课 - 生物医学工程探索课程节选

Only the very wealthy people in Aztec societies could afford to drink chocolate because cacao was so valuable.

VOA: special.2010.02.17

The ancient Aztec civilization in current day Mexico used obsidian for making hunting tools and jewelry.

VOA: special.2009.09.16

"My whole life,I'm like, I'm Mexican and I'm really -- I'm a proud Mexican-American and I swear I was an Aztec princess in my past life.

VOA: special.2010.09.13

The Aztec ruler Montezuma was believed to drink fifty cups of chocolate every day.

VOA: special.2010.02.17

The Aztec culture in current day Mexico also prized chocolate.

VOA: special.2010.02.17